//
// Created by Jisam on 2024/5/27.
//
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define endl "\n"
#define x first
#define y second
#define INF 0x3f3f3f3f
#define PII pair<int,int>
const int N = 1e5+10;
const int mod = 1e9+7;
signed main()
{
    ios::sync_with_stdio(false);
    cin.tie(0),cout.tie(0);
    return 0;
}